Finding the Fourth Proportional to 23,621.89, 32,597.81 and 13,012.51

Step by Step Solution

1. Step 1: Write the proportion equation
   23,621.89 : 32,597.81 = 13,012.51 : x
2. Step 2: Convert to fraction form
   23,621.89/32,597.81 = 13,012.51/x
3. Step 3: Cross multiply
   23,621.89x = 32,597.81 × 13,012.51
4. Step 4: Simplify right side
   23,621.89x = 424,179,328.60
5. Step 5: Solve for x
   x = 424,179,328.60/23,621.89
6. Step 6: Final answer
   x = 17,957.04